——package
DBIx::Class::CDBICompat::Iterator;
use
strict;
use
warnings;
=head1 NAME
DBIx::Class::CDBICompat::Iterator - Emulates the extra behaviors of the Class::DBI search iterator.
=head1 SYNOPSIS
See DBIx::Class::CDBICompat for usage directions.
=head1 DESCRIPTION
Emulates the extra behaviors of the Class::DBI search iterator.
=head2 Differences from DBIx::Class result set
The CDBI iterator returns true if there were any results, false otherwise. The DBIC result set always returns true.
=cut
sub
_init_result_source_instance {
my
$class
=
shift
;
my
$table
=
$class
->
next
::method(
@_
);
$table
->resultset_class(
"DBIx::Class::CDBICompat::Iterator::ResultSet"
);
return
$table
;
}
=head1 FURTHER QUESTIONS?
Check the list of L<additional DBIC resources|DBIx::Class/GETTING HELP/SUPPORT>.
=head1 COPYRIGHT AND LICENSE
This module is free software L<copyright|DBIx::Class/COPYRIGHT AND LICENSE>
by the L<DBIx::Class (DBIC) authors|DBIx::Class/AUTHORS>. You can
redistribute it and/or modify it under the same terms as the
L<DBIx::Class library|DBIx::Class/COPYRIGHT AND LICENSE>.
=cut
package
# hide
DBIx::Class::CDBICompat::Iterator::ResultSet;
use
strict;
use
warnings;
sub
_bool {
# Performance hack so internal checks whether the result set
# exists won't do a SQL COUNT.
return
1
if
caller
=~ /^DBIx::Class::/;
return
$_
[0]->count;
}
sub
_construct_results {
my
$self
=
shift
;
my
$rows
=
$self
->
next
::method(
@_
);
if
(
my
$f
=
$self
->_resolved_attrs->{record_filter}) {
$_
=
$f
->(
$_
)
for
@$rows
;
}
return
$rows
;
}
1;